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                    事件
            
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                    动画
            
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                    express框架
            
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                    process 进程
            
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<p><code>window</code>&#x5BF9;&#x8C61;&#x4E0D;&#x4F46;&#x5145;&#x5F53;&#x5168;&#x5C40;&#x4F5C;&#x7528;&#x57DF;&#xFF0C;&#x800C;&#x4E14;&#x8868;&#x793A;&#x6D4F;&#x89C8;&#x5668;&#x7A97;&#x53E3;&#x3002;</p>
<p><code>window</code>&#x5BF9;&#x8C61;&#x6709;<code>innerWidth</code>&#x548C;<code>innerHeight</code>&#x5C5E;&#x6027;&#xFF0C;&#x53EF;&#x4EE5;&#x83B7;&#x53D6;&#x6D4F;&#x89C8;&#x5668;&#x7A97;&#x53E3;&#x7684;&#x5185;&#x90E8;&#x5BBD;&#x5EA6;&#x548C;&#x9AD8;&#x5EA6;&#x3002;&#x5185;&#x90E8;&#x5BBD;&#x9AD8;&#x662F;&#x6307;&#x9664;&#x53BB;&#x83DC;&#x5355;&#x680F;&#x3001;&#x5DE5;&#x5177;&#x680F;&#x3001;&#x8FB9;&#x6846;&#x7B49;&#x5360;&#x4F4D;&#x5143;&#x7D20;&#x540E;&#xFF0C;&#x7528;&#x4E8E;&#x663E;&#x793A;&#x7F51;&#x9875;&#x7684;&#x51C0;&#x5BBD;&#x9AD8;&#x3002;</p>
<p>&#x517C;&#x5BB9;&#x6027;&#xFF1A;IE&lt;=8&#x4E0D;&#x652F;&#x6301;&#x3002;</p>
<p>&#x5BF9;&#x5E94;&#x7684;&#xFF0C;&#x8FD8;&#x6709;&#x4E00;&#x4E2A;<code>outerWidth</code>&#x548C;<code>outerHeight</code>&#x5C5E;&#x6027;&#xFF0C;&#x53EF;&#x4EE5;&#x83B7;&#x53D6;&#x6D4F;&#x89C8;&#x5668;&#x7A97;&#x53E3;&#x7684;&#x6574;&#x4E2A;&#x5BBD;&#x9AD8;&#x3002;</p>
<h3 id="navigator">navigator</h3>
<p><code>navigator</code>&#x5BF9;&#x8C61;&#x8868;&#x793A;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x4FE1;&#x606F;&#xFF0C;&#x6700;&#x5E38;&#x7528;&#x7684;&#x5C5E;&#x6027;&#x5305;&#x62EC;&#xFF1A;</p>
<ul>
<li>navigator.appName&#xFF1A;&#x6D4F;&#x89C8;&#x5668;&#x540D;&#x79F0;&#xFF1B;</li>
<li>navigator.appVersion&#xFF1A;&#x6D4F;&#x89C8;&#x5668;&#x7248;&#x672C;&#xFF1B;</li>
<li>navigator.language&#xFF1A;&#x6D4F;&#x89C8;&#x5668;&#x8BBE;&#x7F6E;&#x7684;&#x8BED;&#x8A00;&#xFF1B;</li>
<li>navigator.platform&#xFF1A;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x7C7B;&#x578B;&#xFF1B;</li>
<li>navigator.userAgent&#xFF1A;&#x6D4F;&#x89C8;&#x5668;&#x8BBE;&#x5B9A;&#x7684;<code>User-Agent</code>&#x5B57;&#x7B26;&#x4E32;&#x3002;</li>
</ul>
<p><em><font color="red">&#x8BF7;&#x6CE8;&#x610F;</font></em>&#xFF0C;<code>navigator</code>&#x7684;&#x4FE1;&#x606F;&#x53EF;&#x4EE5;&#x5F88;&#x5BB9;&#x6613;&#x5730;&#x88AB;&#x7528;&#x6237;&#x4FEE;&#x6539;&#xFF0C;&#x6240;&#x4EE5;JavaScript&#x8BFB;&#x53D6;&#x7684;&#x503C;&#x4E0D;&#x4E00;&#x5B9A;&#x662F;&#x6B63;&#x786E;&#x7684;&#x3002;&#x5F88;&#x591A;&#x521D;&#x5B66;&#x8005;&#x4E3A;&#x4E86;&#x9488;&#x5BF9;&#x4E0D;&#x540C;&#x6D4F;&#x89C8;&#x5668;&#x7F16;&#x5199;&#x4E0D;&#x540C;&#x7684;&#x4EE3;&#x7801;&#xFF0C;&#x559C;&#x6B22;&#x7528;<code>if</code>&#x5224;&#x65AD;&#x6D4F;&#x89C8;&#x5668;&#x7248;&#x672C;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> width;
<span class="hljs-keyword">if</span> (getIEVersion(navigator.userAgent) &lt; <span class="hljs-number">9</span>) {
    width = <span class="hljs-built_in">document</span>.body.clientWidth;
} <span class="hljs-keyword">else</span> {
    width = <span class="hljs-built_in">window</span>.innerWidth;
}
</code></pre>
<p>&#x4F46;&#x8FD9;&#x6837;&#x65E2;&#x53EF;&#x80FD;&#x5224;&#x65AD;&#x4E0D;&#x51C6;&#x786E;&#xFF0C;&#x4E5F;&#x5F88;&#x96BE;&#x7EF4;&#x62A4;&#x4EE3;&#x7801;&#x3002;&#x6B63;&#x786E;&#x7684;&#x65B9;&#x6CD5;&#x662F;&#x5145;&#x5206;&#x5229;&#x7528;JavaScript&#x5BF9;&#x4E0D;&#x5B58;&#x5728;&#x5C5E;&#x6027;&#x8FD4;&#x56DE;<code>undefined</code>&#x7684;&#x7279;&#x6027;&#xFF0C;&#x76F4;&#x63A5;&#x7528;&#x77ED;&#x8DEF;&#x8FD0;&#x7B97;&#x7B26;<code>||</code>&#x8BA1;&#x7B97;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> width = <span class="hljs-built_in">window</span>.innerWidth || <span class="hljs-built_in">document</span>.body.clientWidth;
</code></pre>
<h3 id="screen">screen</h3>
<p><code>screen</code>&#x5BF9;&#x8C61;&#x8868;&#x793A;&#x5C4F;&#x5E55;&#x7684;&#x4FE1;&#x606F;&#xFF0C;&#x5E38;&#x7528;&#x7684;&#x5C5E;&#x6027;&#x6709;&#xFF1A;</p>
<ul>
<li>screen.width&#xFF1A;&#x5C4F;&#x5E55;&#x5BBD;&#x5EA6;&#xFF0C;&#x4EE5;&#x50CF;&#x7D20;&#x4E3A;&#x5355;&#x4F4D;&#xFF1B;</li>
<li>screen.height&#xFF1A;&#x5C4F;&#x5E55;&#x9AD8;&#x5EA6;&#xFF0C;&#x4EE5;&#x50CF;&#x7D20;&#x4E3A;&#x5355;&#x4F4D;&#xFF1B;</li>
<li>screen.colorDepth&#xFF1A;&#x8FD4;&#x56DE;&#x989C;&#x8272;&#x4F4D;&#x6570;&#xFF0C;&#x5982;8&#x3001;16&#x3001;24&#x3002;</li>
</ul>
<h3 id="location">location</h3>
<p><code>location</code>&#x5BF9;&#x8C61;&#x8868;&#x793A;&#x5F53;&#x524D;&#x9875;&#x9762;&#x7684;URL&#x4FE1;&#x606F;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x4E00;&#x4E2A;&#x5B8C;&#x6574;&#x7684;URL&#xFF1A;</p>
<pre><code>http://www.example.com:8080/path/index.html?a=1&amp;b=2#TOP
</code></pre><p>&#x53EF;&#x4EE5;&#x7528;<code>location.href</code>&#x83B7;&#x53D6;&#x3002;&#x8981;&#x83B7;&#x5F97;URL&#x5404;&#x4E2A;&#x90E8;&#x5206;&#x7684;&#x503C;&#xFF0C;&#x53EF;&#x4EE5;&#x8FD9;&#x4E48;&#x5199;&#xFF1A;</p>
<pre><code class="lang-javascript">location.protocol; <span class="hljs-comment">// &apos;http&apos;</span>
location.host; <span class="hljs-comment">// &apos;www.example.com&apos;</span>
location.port; <span class="hljs-comment">// &apos;8080&apos;</span>
location.pathname; <span class="hljs-comment">// &apos;/path/index.html&apos;</span>
location.search; <span class="hljs-comment">// &apos;?a=1&amp;b=2&apos;</span>
location.hash; <span class="hljs-comment">// &apos;TOP&apos;</span>
</code></pre>
<h3 id="document">document</h3>
<p><code>document</code>&#x5BF9;&#x8C61;&#x8868;&#x793A;&#x5F53;&#x524D;&#x9875;&#x9762;&#x3002;&#x7531;&#x4E8E;HTML&#x5728;&#x6D4F;&#x89C8;&#x5668;&#x4E2D;&#x4EE5;DOM&#x5F62;&#x5F0F;&#x8868;&#x793A;&#x4E3A;&#x6811;&#x5F62;&#x7ED3;&#x6784;&#xFF0C;<code>document</code>&#x5BF9;&#x8C61;&#x5C31;&#x662F;&#x6574;&#x4E2A;DOM&#x6811;&#x7684;&#x6839;&#x8282;&#x70B9;&#x3002;</p>
<p><code>document</code>&#x7684;<code>title</code>&#x5C5E;&#x6027;&#x662F;&#x4ECE;HTML&#x6587;&#x6863;&#x4E2D;&#x7684;<code>&lt;title&gt;xxx&lt;/title&gt;</code>&#x8BFB;&#x53D6;&#x7684;&#xFF0C;&#x4F46;&#x662F;&#x53EF;&#x4EE5;&#x52A8;&#x6001;&#x6539;&#x53D8;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-built_in">document</span>.title = <span class="hljs-string">&apos;&#x52AA;&#x529B;&#x5B66;&#x4E60;JavaScript!&apos;</span>;
</code></pre>
<p>&#x8981;&#x67E5;&#x627E;DOM&#x6811;&#x7684;&#x67D0;&#x4E2A;&#x8282;&#x70B9;&#xFF0C;&#x9700;&#x8981;&#x4ECE;<code>document</code>&#x5BF9;&#x8C61;&#x5F00;&#x59CB;&#x67E5;&#x627E;&#x3002;&#x6700;&#x5E38;&#x7528;&#x7684;&#x67E5;&#x627E;&#x662F;&#x6839;&#x636E;ID&#x548C;Tag Name&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x5148;&#x51C6;&#x5907;HTML&#x6570;&#x636E;&#xFF1A;</p>
<pre><code class="lang-xml"><span class="hljs-tag">&lt;<span class="hljs-name">dl</span> <span class="hljs-attr">id</span>=<span class="hljs-string">&quot;drink-menu&quot;</span> <span class="hljs-attr">style</span>=<span class="hljs-string">&quot;border:solid 1px #ccc;padding:6px;&quot;</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">dt</span>&gt;</span>&#x6469;&#x5361;<span class="hljs-tag">&lt;/<span class="hljs-name">dt</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">dd</span>&gt;</span>&#x70ED;&#x6469;&#x5361;&#x5496;&#x5561;<span class="hljs-tag">&lt;/<span class="hljs-name">dd</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">dt</span>&gt;</span>&#x9178;&#x5976;<span class="hljs-tag">&lt;/<span class="hljs-name">dt</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">dd</span>&gt;</span>&#x5317;&#x4EAC;&#x8001;&#x9178;&#x5976;<span class="hljs-tag">&lt;/<span class="hljs-name">dd</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">dt</span>&gt;</span>&#x679C;&#x6C41;<span class="hljs-tag">&lt;/<span class="hljs-name">dt</span>&gt;</span>
    <span class="hljs-tag">&lt;<span class="hljs-name">dd</span>&gt;</span>&#x9C9C;&#x69A8;&#x82F9;&#x679C;&#x6C41;<span class="hljs-tag">&lt;/<span class="hljs-name">dd</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">dl</span>&gt;</span>
</code></pre>
<p>&#x7528;<code>document</code>&#x5BF9;&#x8C61;&#x63D0;&#x4F9B;&#x7684;<code>getElementById()</code>&#x548C;<code>getElementsByTagName()</code>&#x53EF;&#x4EE5;&#x6309;ID&#x83B7;&#x5F97;&#x4E00;&#x4E2A;DOM&#x8282;&#x70B9;&#x548C;&#x6309;Tag&#x540D;&#x79F0;&#x83B7;&#x5F97;&#x4E00;&#x7EC4;DOM&#x8282;&#x70B9;&#xFF1A;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> menu = <span class="hljs-built_in">document</span>.getElementById(<span class="hljs-string">&apos;drink-menu&apos;</span>);
<span class="hljs-keyword">var</span> drinks = <span class="hljs-built_in">document</span>.getElementsByTagName(<span class="hljs-string">&apos;dt&apos;</span>);
<span class="hljs-keyword">var</span> i, s;

s = <span class="hljs-string">&apos;&#x63D0;&#x4F9B;&#x7684;&#x996E;&#x6599;&#x6709;:&apos;</span>;
<span class="hljs-keyword">for</span> (i=<span class="hljs-number">0</span>; i&lt;drinks.length; i++) {
    s = s + drinks[i].innerHTML + <span class="hljs-string">&apos;,&apos;</span>;
}
<span class="hljs-built_in">console</span>.log(s); <span class="hljs-comment">//&#x63D0;&#x4F9B;&#x7684;&#x996E;&#x6599;&#x6709;:&#x6469;&#x5361;,&#x9178;&#x5976;,&#x679C;&#x6C41;,</span>
</code></pre>
<p><code>document</code>&#x5BF9;&#x8C61;&#x8FD8;&#x6709;&#x4E00;&#x4E2A;<code>cookie</code>&#x5C5E;&#x6027;&#xFF0C;&#x53EF;&#x4EE5;&#x83B7;&#x53D6;&#x5F53;&#x524D;&#x9875;&#x9762;&#x7684;Cookie&#x3002;</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> cookies = <span class="hljs-built_in">document</span>.cookie;
</code></pre>
<p>document.cookie &#x4F1A;&#x5728;&#x4E00;&#x6761;&#x5B57;&#x7B26;&#x4E32;&#x4E2D;&#x8FD4;&#x56DE;&#x6240;&#x6709; cookie&#xFF0C;&#x6BD4;&#x5982;&#xFF1A;cookie1=value; cookie2=value; cookie3=value;</p>
<p>Cookie&#x662F;&#x7531;&#x670D;&#x52A1;&#x5668;&#x53D1;&#x9001;&#x7684;key-value&#x6807;&#x793A;&#x7B26;&#x3002;&#x56E0;&#x4E3A;HTTP&#x534F;&#x8BAE;&#x662F;&#x65E0;&#x72B6;&#x6001;&#x7684;&#xFF0C;&#x4F46;&#x662F;&#x670D;&#x52A1;&#x5668;&#x8981;&#x533A;&#x5206;&#x5230;&#x5E95;&#x662F;&#x54EA;&#x4E2A;&#x7528;&#x6237;&#x53D1;&#x8FC7;&#x6765;&#x7684;&#x8BF7;&#x6C42;&#xFF0C;&#x5C31;&#x53EF;&#x4EE5;&#x7528;Cookie&#x6765;&#x533A;&#x5206;&#x3002;&#x5F53;&#x4E00;&#x4E2A;&#x7528;&#x6237;&#x6210;&#x529F;&#x767B;&#x5F55;&#x540E;&#xFF0C;&#x670D;&#x52A1;&#x5668;&#x53D1;&#x9001;&#x4E00;&#x4E2A;Cookie&#x7ED9;&#x6D4F;&#x89C8;&#x5668;&#xFF0C;&#x4F8B;&#x5982;<code>user=ABC123XYZ(&#x52A0;&#x5BC6;&#x7684;&#x5B57;&#x7B26;&#x4E32;)...</code>&#xFF0C;&#x6B64;&#x540E;&#xFF0C;&#x6D4F;&#x89C8;&#x5668;&#x8BBF;&#x95EE;&#x8BE5;&#x7F51;&#x7AD9;&#x65F6;&#xFF0C;&#x4F1A;&#x5728;&#x8BF7;&#x6C42;&#x5934;&#x9644;&#x4E0A;&#x8FD9;&#x4E2A;Cookie&#xFF0C;&#x670D;&#x52A1;&#x5668;&#x6839;&#x636E;Cookie&#x5373;&#x53EF;&#x533A;&#x5206;&#x51FA;&#x7528;&#x6237;&#x3002;</p>
<p>Cookie&#x8FD8;&#x53EF;&#x4EE5;&#x5B58;&#x50A8;&#x7F51;&#x7AD9;&#x7684;&#x4E00;&#x4E9B;&#x8BBE;&#x7F6E;&#xFF0C;&#x4F8B;&#x5982;&#xFF0C;&#x9875;&#x9762;&#x663E;&#x793A;&#x7684;&#x8BED;&#x8A00;&#x7B49;&#x7B49;&#x3002;</p>
<h3 id="history">history</h3>
<p><code>history</code>&#x5BF9;&#x8C61;&#x4FDD;&#x5B58;&#x4E86;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x5386;&#x53F2;&#x8BB0;&#x5F55;&#xFF0C;JavaScript&#x53EF;&#x4EE5;&#x8C03;&#x7528;<code>history</code>&#x5BF9;&#x8C61;&#x7684;<code>back()</code>&#x6216;<code>forward ()</code>&#xFF0C;&#x76F8;&#x5F53;&#x4E8E;&#x7528;&#x6237;&#x70B9;&#x51FB;&#x4E86;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x201C;&#x540E;&#x9000;&#x201D;&#x6216;&#x201C;&#x524D;&#x8FDB;&#x201D;&#x6309;&#x94AE;&#x3002;</p>
<p>&#x8FD9;&#x4E2A;&#x5BF9;&#x8C61;&#x5C5E;&#x4E8E;&#x5386;&#x53F2;&#x9057;&#x7559;&#x5BF9;&#x8C61;&#xFF0C;&#x5BF9;&#x4E8E;&#x73B0;&#x4EE3;Web&#x9875;&#x9762;&#x6765;&#x8BF4;&#xFF0C;&#x7531;&#x4E8E;&#x5927;&#x91CF;&#x4F7F;&#x7528;AJAX&#x548C;&#x9875;&#x9762;&#x4EA4;&#x4E92;&#xFF0C;&#x7B80;&#x5355;&#x7C97;&#x66B4;&#x5730;&#x8C03;&#x7528;<code>history.back()</code>&#x53EF;&#x80FD;&#x4F1A;&#x8BA9;&#x7528;&#x6237;&#x611F;&#x5230;&#x975E;&#x5E38;&#x6124;&#x6012;&#x3002;</p>
<p>&#x65B0;&#x624B;&#x5F00;&#x59CB;&#x8BBE;&#x8BA1;Web&#x9875;&#x9762;&#x65F6;&#x559C;&#x6B22;&#x5728;&#x767B;&#x5F55;&#x9875;&#x767B;&#x5F55;&#x6210;&#x529F;&#x65F6;&#x8C03;&#x7528;<code>history.back()</code>&#xFF0C;&#x8BD5;&#x56FE;&#x56DE;&#x5230;&#x767B;&#x5F55;&#x524D;&#x7684;&#x9875;&#x9762;&#x3002;&#x8FD9;&#x662F;&#x4E00;&#x79CD;&#x9519;&#x8BEF;&#x7684;&#x65B9;&#x6CD5;&#x3002;</p>
<p>&#x4EFB;&#x4F55;&#x60C5;&#x51B5;&#xFF0C;&#x4F60;&#x90FD;&#x4E0D;&#x5E94;&#x8BE5;&#x4F7F;&#x7528;<code>history</code>&#x8FD9;&#x4E2A;&#x5BF9;&#x8C61;&#x4E86;&#x3002;</p>
<h3 id="timing&#x4E8B;&#x4EF6;">Timing&#x4E8B;&#x4EF6;</h3>
<p><strong>JavaScript &#x53EF;&#x4EE5;&#x5728;&#x65F6;&#x95F4;&#x95F4;&#x9694;&#x5185;&#x6267;&#x884C;&#x3002;</strong></p>
<p>&#x8FD9;&#x5C31;&#x662F;&#x6240;&#x8C13;&#x7684;&#x5B9A;&#x65F6;&#x4E8B;&#x4EF6;&#xFF08; Timing Events&#xFF09;&#x3002;</p>
<p>&#x901A;&#x8FC7; JavaScript &#x4F7F;&#x7528;&#x7684;&#x6709;&#x4E24;&#x4E2A;&#x5173;&#x952E;&#x7684;&#x65B9;&#x6CD5;&#xFF1A;</p>
<ul>
<li><p>setTimeout(<em>function</em>, <em>milliseconds</em>)</p>
<p>&#x5728;&#x7B49;&#x5F85;&#x6307;&#x5B9A;&#x7684;&#x6BEB;&#x79D2;&#x6570;&#x540E;&#x6267;&#x884C;&#x51FD;&#x6570;&#x3002;</p>
</li>
<li><p>setInterval(<em>function</em>, <em>milliseconds</em>)</p>
<p>&#x7B49;&#x540C;&#x4E8E; setTimeout()&#xFF0C;&#x4F46;&#x6301;&#x7EED;&#x91CD;&#x590D;&#x6267;&#x884C;&#x8BE5;&#x51FD;&#x6570;&#x3002;</p>
</li>
</ul>
<h4 id="&#x5982;&#x4F55;&#x505C;&#x6B62;&#x6267;&#x884C;">&#x5982;&#x4F55;&#x505C;&#x6B62;&#x6267;&#x884C;</h4>
<pre><code class="lang-javascript"><span class="hljs-keyword">var</span> myVar = setTimeout(<span class="hljs-function"><span class="hljs-keyword">function</span>, <span class="hljs-title">milliseconds</span>);
<span class="hljs-title">clearTimeout</span>(<span class="hljs-params">myVar</span>);
<span class="hljs-title">var</span> <span class="hljs-title">myVar</span> = <span class="hljs-title">setInterval</span>(<span class="hljs-params">function, milliseconds</span>);
<span class="hljs-title">clearInterval</span>(<span class="hljs-params">myVar</span>);
</span></code></pre>

                                
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